Jeremiah Murphy, 41, charges through the obstacle course part of the Age Group Amphibious Assault Stand-up Paddleboard race as he makes his way to the finish line during the Water Warrior Beach Festival at Del Mar beach here Sept. 14. - Jeremiah Murphy, 41, charges through the obstacle course part of the Age Group Amphibious Assault Stand-up Paddleboard race as he makes his way to the finish line during the Water Warrior Beach Festival at Del Mar beach here Sept. 14.